"They do not exist in actuality, only in the vision of a man who cuts pictures from magazines and books for a living, then creates his new reality with wildly colorful paint He masters the details first and the big picture later. You can see it for yourself. Up close, his painted collages are a maze of jagged lines from paper photographic images, splashed with brilliant paint colors. From a distance, they are remarkable."
Arless Day creates paintings with gouache and collage, creating a unique layering effect. Orange Place is just one example from his portfolio of Unique Variations. I found his stuff here.
___A place to find all kinds of information about collage.